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1.1 root 1: /* mtreg.h 4.1 81/11/11 */
2:
3: struct mtdevice {
4: int mtcs; /* control status register */
5: int mter; /* error register */
6: int mtca; /* command address, rec cnt, skp cnt reg */
7: int mtmr1; /* maintenance register */
8: int mtas; /* attention summary register */
9: int mtbc; /* byte count register */
10: int mtdt; /* drive type register */
11: int mtds; /* drive status register */
12: int mtsn; /* serial number register */
13: int mtmr2; /* maintenance register */
14: int mtmr3; /* maintenance register */
15: int mtner; /* non-data transfer error register */
16: int mtncs[4]; /* non-data transfer command registers */
17: int mtia; /* internal address */
18: int mtid; /* internal data */
19: };
20:
21: /* mtcs */
22: #define MT_GO 000001 /* go bit */
23: #define MT_NOOP 000002 /* no operation */
24: #define MT_UNLOAD 000004 /* unload tape */
25: #define MT_REW 000006 /* rewind */
26: #define MT_SENSE 000010 /* sense */
27: #define MT_DSE 000012 /* data security erase */
28: #define MT_WTMPE 000014 /* write phase encoded tape mark */
29: #define MT_WTM MT_WTMPE /* generic write tape mark */
30: #define MT_WTMGCR 000016 /* write GCR tape mark */
31: #define MT_SFORW 000020 /* space forward record */
32: #define MT_SREV 000022 /* space reverse record */
33: #define MT_SFORWF 000024 /* space forward file */
34: #define MT_SREVF 000026 /* space reverse file */
35: #define MT_SFORWE 000030 /* space forward either */
36: #define MT_SREVE 000032 /* space reverse either */
37: #define MT_ERGPE 000034 /* erase tape, set PE */
38: #define MT_ERASE MT_ERGPE /* generic erase tape */
39: #define MT_ERGGCR 000036 /* erase tape, set GCR */
40: #define MT_CLSPE 000040 /* close file PE */
41: #define MT_CLS MT_CLSPE /* generic close file */
42: #define MT_CLSGCR 000042 /* close file GCR */
43: #define MT_SLEOT 000044 /* space to logical EOT */
44: #define MT_SFLEOT 000046 /* space forward file, stop on LEOT */
45: #define MT_WCHFWD 000050 /* write check forward */
46: #define MT_WCHREV 000056 /* write check reverse */
47: #define MT_WRITEPE 000060 /* write phase encoded */
48: #define MT_WRITE MT_WRITEPE /* generic write */
49: #define MT_WRITEGCR 000062 /* write group coded */
50: #define MT_READ 000070 /* read forward */
51: #define MT_EXSNS 000072 /* read extended sense error log */
52: #define MT_READREV 000076 /* read reverse */
53: #define MT_GCR 000002 /* make generic ops GCR ops */
54:
55: /* mtds */
56: #define MTDS_RDY 0100000 /* tape ready */
57: #define MTDS_PRES 0040000 /* tape unit has power */
58: #define MTDS_ONL 0020000 /* online */
59: #define MTDS_REW 0010000 /* tape rewinding */
60: #define MTDS_PE 0004000 /* tape set for phase encoded */
61: #define MTDS_BOT 0002000 /* tape at BOT */
62: #define MTDS_EOT 0001000 /* tape at EOT */
63: #define MTDS_FPT 0000400 /* write protected */
64: #define MTDS_AVAIL 0000200 /* unit available */
65: #define MTDS_SHR 0000100 /* unit is shared */
66: #define MTDS_MAINT 0000040 /* maintenance mode */
67: #define MTDS_DSE 0000020 /* DSE in progress */
68:
69: #define MTDS_BITS \
70: "\10\20RDY\17PRES\16ONL\15REW\14PE\13BOT\12EOT\11FPT\10AVAIL\
71: \7SHR\6MAINT\5DSE"
72:
73: /* mter */
74: #define MTER_INTCODE 0377 /* mask for interrupt code */
75:
76: /* interrupt codes */
77: #define MTER_DONE 001 /* operation complete */
78: #define MTER_TM 002 /* unexpected tape mark */
79: #define MTER_BOT 003 /* unexpected BOT detected */
80: #define MTER_EOT 004 /* tape positioned beyond EOT */
81: #define MTER_LEOT 005 /* unexpected LEOT detected */
82: #define MTER_NOOP 006 /* no-op completed */
83: #define MTER_RWDING 007 /* rewinding */
84: #define MTER_FPT 010 /* write protect error */
85: #define MTER_NOTRDY 011 /* not ready */
86: #define MTER_NOTAVL 012 /* not available */
87: #define MTER_OFFLINE 013 /* offline */
88: #define MTER_NONEX 014 /* unit does not exist */
89: #define MTER_NOTCAP 015 /* not capable */
90: #define MTER_ONLINE 017 /* tape came online */
91: #define MTER_LONGREC 020 /* long tape record */
92: #define MTER_SHRTREC 021 /* short tape record */
93: #define MTER_RETRY 022 /* retry */
94: #define MTER_RDOPP 023 /* read opposite */
95: #define MTER_UNREAD 024 /* unreadable */
96: #define MTER_ERROR 025 /* error */
97: #define MTER_EOTERR 026 /* EOT error */
98: #define MTER_BADTAPE 027 /* tape position lost */
99: #define MTER_TMFLTA 030 /* TM fault A */
100: #define MTER_TUFLTA 031 /* TU fault A */
101: #define MTER_TMFLTB 032 /* TM fault B */
102: #define MTER_MBFLT 034 /* Massbus fault */
103: #define MTER_KEYFAIL 077 /* keypad entry error */
104:
105: /* mtdt */
106: #define MTDT_NSA 0100000 /* not sector addressed; always 1 */
107: #define MTDT_TAP 0040000 /* tape; always 1 */
108: #define MTDT_MOH 0020000 /* moving head; always 0 */
109: #define MTDT_7CH 0010000 /* 7 channel; always 0 */
110: #define MTDT_DRQ 0004000 /* drive request required */
111: #define MTDT_SPR 0002000 /* slave present; always 1 ??? */
112: /* bit 9 is spare */
113: /* bits 8-0 are formatter/transport type */
114:
115: /* mtid */
116: #define MTID_RDY 0100000 /* controller ready */
117: #define MTID_CLR 0040000 /* controller clear */
118:
119: #define b_repcnt b_bcount
120: #define b_command b_resid
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